Delta Air Lines has uncorked a rebranding of all of its fare types — upending the Basic Economy/Main Cabin/Comfort Plus/etc. order that has dominated the big U.S. airlines for the last decade or so.

I spent $205 on a basic economy flight with United Airlines from New York City to Denver. A few days later, I took a $175 basic economy flight with Delta from Salt Lake City to NYC. Both flights were ...

Ever since Delta made sweeping changes to how travelers earn Medallion status in the SkyMiles program, it has offered a few limited-time promotions that allow customers to earn bonus Medallion ...